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<a href="_combined_objective_function_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">//===========================================================================</span><span class="comment"></span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment">/*!</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> * </span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> *</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> * \brief       CombinedObjectiveFunction</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> * </span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> * </span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> *</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> * \author      T.Voss, T. Glasmachers, O.Krause</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment"> * \date        2010-2011</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"> *</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"> *</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> * \par Copyright 1995-2017 Shark Development Team</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> * </span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"> * &lt;BR&gt;&lt;HR&gt;</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> * This file is part of Shark.</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"> * &lt;https://shark-ml.github.io/Shark/&gt;</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment"> * </span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"> * Shark is free software: you can redistribute it and/or modify</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="comment"> * it under the terms of the GNU Lesser General Public License as published </span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment"> * by the Free Software Foundation, either version 3 of the License, or</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="comment"> * (at your option) any later version.</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="comment"> * </span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="comment"> * Shark is distributed in the hope that it will be useful,</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="comment"> * GNU Lesser General Public License for more details.</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="comment"> * </span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="comment"> * You should have received a copy of the GNU Lesser General Public License</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="comment"> * along with Shark.  If not, see &lt;http://www.gnu.org/licenses/&gt;.</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="comment"> *</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="comment"> */</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="comment">//===========================================================================</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="preprocessor">#ifndef SHARK_OBJECTIVEFUNCTIONS_COMBINEDOBJECTIVEFUNCTION_H</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="preprocessor">#define SHARK_OBJECTIVEFUNCTIONS_COMBINEDOBJECTIVEFUNCTION_H</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span> </div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span> </div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="preprocessor">#include &lt;<a class="code" href="_abstract_objective_function_8h.html" title="AbstractObjectiveFunction.">shark/ObjectiveFunctions/AbstractObjectiveFunction.h</a>&gt;</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span> </div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceshark.html" title="AbstractMultiObjectiveOptimizer.">shark</a> {</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span> </div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="comment"></span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="comment">///</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="comment">/// \brief Linear combination of objective functions</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="comment">///</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span><span class="comment">/// \par</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="comment">/// The CombinedObjectiveFunction is a linear combination of</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span><span class="comment">/// objective functions. It assumed that the result type is</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="comment">/// capable of forming linear combinations with real coefficients.</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="comment">/// \ingroup objfunctions</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><span class="comment"></span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> SearchPo<span class="keywordtype">int</span>Type, <span class="keyword">typename</span> ResultT&gt;</div>
<div class="foldopen" id="foldopen00052" data-start="{" data-end="};">
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"><a class="line" href="classshark_1_1_combined_objective_function.html">   52</a></span><span class="keyword">class </span><a class="code hl_class" href="classshark_1_1_combined_objective_function.html" title="Linear combination of objective functions.">CombinedObjectiveFunction</a> : <span class="keyword">public</span> <a class="code hl_class" href="classshark_1_1_abstract_objective_function.html" title="Super class of all objective functions for optimization and learning.">AbstractObjectiveFunction</a>&lt;SearchPointType, ResultT&gt;</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span>{</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span> </div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"><a class="line" href="classshark_1_1_combined_objective_function.html#a4d4eafb7d559cd021d3f00fcc99106dd">   56</a></span>    <span class="keyword">typedef</span> <a class="code hl_class" href="classshark_1_1_abstract_objective_function.html" title="Super class of all objective functions for optimization and learning.">AbstractObjectiveFunction&lt;SearchPointType, ResultT&gt;</a> <a class="code hl_typedef" href="classshark_1_1_combined_objective_function.html#a4d4eafb7d559cd021d3f00fcc99106dd">super</a>;</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"><a class="line" href="classshark_1_1_combined_objective_function.html#abec8f99dbedfaae5cf3ae692462de5a2">   57</a></span>    <span class="keyword">typedef</span> <a class="code hl_class" href="classshark_1_1_abstract_objective_function.html" title="Super class of all objective functions for optimization and learning.">AbstractObjectiveFunction&lt;SearchPointType, ResultT&gt;</a> <a class="code hl_typedef" href="classshark_1_1_combined_objective_function.html#abec8f99dbedfaae5cf3ae692462de5a2">element</a>;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span><span class="comment"></span> </div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span><span class="comment">    /// Constructor</span></div>
<div class="foldopen" id="foldopen00060" data-start="{" data-end="}">
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"><a class="line" href="classshark_1_1_combined_objective_function.html#a435fd031ee3d4c3a21b68d843df24694">   60</a></span><span class="comment"></span>    <a class="code hl_function" href="classshark_1_1_combined_objective_function.html#a435fd031ee3d4c3a21b68d843df24694" title="Constructor.">CombinedObjectiveFunction</a>(){</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span>        this-&gt;<a class="code hl_variable" href="classshark_1_1_abstract_objective_function.html#ad8888c58fd3f98e73013afb5dd4b2af1">m_features</a>|=<a class="code hl_enumvalue" href="classshark_1_1_abstract_objective_function.html#aadafeb6dfb5b649f321e7b81ac8aad1aa0bc7673a369df5f86ddd6ba6735f4971" title="The method evalDerivative is implemented for the first derivative and returns a sensible value.">super::HAS_FIRST_DERIVATIVE</a>;</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span>        this-&gt;<a class="code hl_variable" href="classshark_1_1_abstract_objective_function.html#ad8888c58fd3f98e73013afb5dd4b2af1">m_features</a>|=<a class="code hl_enumvalue" href="classshark_1_1_abstract_objective_function.html#aadafeb6dfb5b649f321e7b81ac8aad1aa2a3534a8bfd17ffc9f39a2892dc03858" title="The method evalDerivative is implemented for the second derivative and returns a sensible value.">super::HAS_SECOND_DERIVATIVE</a>;</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span>    }</div>
</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span><span class="comment"></span> </div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span><span class="comment">    /// \brief From INameable: return the class name.</span></div>
<div class="foldopen" id="foldopen00066" data-start="{" data-end="}">
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"><a class="line" href="classshark_1_1_combined_objective_function.html#adc7b716e211e631c987995b3da75a504">   66</a></span><span class="comment"></span>    std::string <a class="code hl_function" href="classshark_1_1_combined_objective_function.html#adc7b716e211e631c987995b3da75a504" title="From INameable: return the class name.">name</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span><span class="keyword">    </span>{ <span class="keywordflow">return</span> <span class="stringliteral">&quot;CombinedObjectiveFunction&quot;</span>; }</div>
</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span> </div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span><span class="comment"></span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span class="comment">    /// Adds a new objective function with a</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="comment">    /// weight of one to the linear combination.</span></div>
<div class="foldopen" id="foldopen00072" data-start="{" data-end="}">
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"><a class="line" href="classshark_1_1_combined_objective_function.html#afadaacaa1f93c32f2345c422710685ee">   72</a></span><span class="comment"></span>    <span class="keywordtype">void</span> <a class="code hl_function" href="classshark_1_1_combined_objective_function.html#afadaacaa1f93c32f2345c422710685ee">add</a>(<a class="code hl_class" href="classshark_1_1_abstract_objective_function.html">element</a>&amp; e){</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span>        <a class="code hl_function" href="classshark_1_1_combined_objective_function.html#afadaacaa1f93c32f2345c422710685ee">add</a>(1.0, e);</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span>    }</div>
</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="comment"></span> </div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span><span class="comment">    /// Adds a new objective function with</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span><span class="comment">    /// a weight to the linear combination.</span></div>
<div class="foldopen" id="foldopen00078" data-start="{" data-end="}">
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"><a class="line" href="classshark_1_1_combined_objective_function.html#a2e21cb1bcbdcdd072710bc30426de0a2">   78</a></span><span class="comment"></span>    <span class="keywordtype">void</span> <a class="code hl_function" href="classshark_1_1_combined_objective_function.html#a2e21cb1bcbdcdd072710bc30426de0a2">add</a>(<span class="keywordtype">double</span> weight, <a class="code hl_class" href="classshark_1_1_abstract_objective_function.html">element</a>&amp; e)</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span>    {</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span>        <a class="code hl_define" href="_exception_8h.html#adce1f80097c69010f5eab2618fa2e971">SHARK_RUNTIME_CHECK</a>(weight &gt;= 0.0, <span class="stringliteral">&quot;[CombinedObjectiveFunction::add] weight must be non-negative&quot;</span>);</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span> </div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span>        <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#aefd0b345fe952b7c58db5ec85c84ebf0" title="list of weights">m_weight</a>.push_back(weight);</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span>        <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#ab017e677f9b5818d588a94584de164c1" title="list of &quot;base&quot; objective functions">m_elements</a>.push_back(&amp;e);</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span> </div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span>        <span class="keywordflow">if</span> (e.<a class="code hl_function" href="classshark_1_1_abstract_objective_function.html#a755673593a64a978a91ac3398c390d4b">features</a>().<a class="code hl_function" href="classshark_1_1_typed_flags.html#a790dadd43f10baf9d14e37badedd4400">test</a>(<a class="code hl_enumvalue" href="classshark_1_1_abstract_objective_function.html#aadafeb6dfb5b649f321e7b81ac8aad1aa0574c1ccb7c3791cc09bae4a7198429a" title="The objective function is constrained.">element::IS_CONSTRAINED_FEATURE</a>)) this-&gt;<a class="code hl_variable" href="classshark_1_1_abstract_objective_function.html#ad8888c58fd3f98e73013afb5dd4b2af1">m_features</a>.<a class="code hl_function" href="classshark_1_1_typed_flags.html#a68ce97d08af8aedd27398d8f44218e67">set</a>(<a class="code hl_enumvalue" href="classshark_1_1_abstract_objective_function.html#aadafeb6dfb5b649f321e7b81ac8aad1aa0574c1ccb7c3791cc09bae4a7198429a" title="The objective function is constrained.">super::IS_CONSTRAINED_FEATURE</a>);</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span>        <span class="keywordflow">if</span> (! e.<a class="code hl_function" href="classshark_1_1_abstract_objective_function.html#a755673593a64a978a91ac3398c390d4b">features</a>().<a class="code hl_function" href="classshark_1_1_typed_flags.html#a790dadd43f10baf9d14e37badedd4400">test</a>(<a class="code hl_enumvalue" href="classshark_1_1_abstract_objective_function.html#aadafeb6dfb5b649f321e7b81ac8aad1aa0bc7673a369df5f86ddd6ba6735f4971" title="The method evalDerivative is implemented for the first derivative and returns a sensible value.">element::HAS_FIRST_DERIVATIVE</a>)) this-&gt;<a class="code hl_variable" href="classshark_1_1_abstract_objective_function.html#ad8888c58fd3f98e73013afb5dd4b2af1">m_features</a>.<a class="code hl_function" href="classshark_1_1_typed_flags.html#a68f0c572adf112b680ef11531aa9ffb8">reset</a>(<a class="code hl_enumvalue" href="classshark_1_1_abstract_objective_function.html#aadafeb6dfb5b649f321e7b81ac8aad1aa0bc7673a369df5f86ddd6ba6735f4971" title="The method evalDerivative is implemented for the first derivative and returns a sensible value.">super::HAS_FIRST_DERIVATIVE</a>);</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span>        <span class="keywordflow">if</span> (! e.<a class="code hl_function" href="classshark_1_1_abstract_objective_function.html#a755673593a64a978a91ac3398c390d4b">features</a>().<a class="code hl_function" href="classshark_1_1_typed_flags.html#a790dadd43f10baf9d14e37badedd4400">test</a>(<a class="code hl_enumvalue" href="classshark_1_1_abstract_objective_function.html#aadafeb6dfb5b649f321e7b81ac8aad1aa2a3534a8bfd17ffc9f39a2892dc03858" title="The method evalDerivative is implemented for the second derivative and returns a sensible value.">element::HAS_SECOND_DERIVATIVE</a>)) this-&gt;<a class="code hl_variable" href="classshark_1_1_abstract_objective_function.html#ad8888c58fd3f98e73013afb5dd4b2af1">m_features</a>.<a class="code hl_function" href="classshark_1_1_typed_flags.html#a68f0c572adf112b680ef11531aa9ffb8">reset</a>(<a class="code hl_enumvalue" href="classshark_1_1_abstract_objective_function.html#aadafeb6dfb5b649f321e7b81ac8aad1aa2a3534a8bfd17ffc9f39a2892dc03858" title="The method evalDerivative is implemented for the second derivative and returns a sensible value.">super::HAS_SECOND_DERIVATIVE</a>);</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span>    }</div>
</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span><span class="comment"></span> </div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span><span class="comment">    /// Tests whether a point in SearchSpace is feasible,</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span><span class="comment">    /// e.g., whether the constraints are fulfilled.</span></div>
<div class="foldopen" id="foldopen00092" data-start="{" data-end="}">
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"><a class="line" href="classshark_1_1_combined_objective_function.html#aa58f49e133bac3fa073958fdb238d2db">   92</a></span><span class="comment"></span>    <span class="keywordtype">bool</span> <a class="code hl_function" href="classshark_1_1_combined_objective_function.html#aa58f49e133bac3fa073958fdb238d2db">isFeasible</a>( <span class="keyword">const</span> <span class="keyword">typename</span> <a class="code hl_typedef" href="classshark_1_1_abstract_objective_function.html#a59bfea031628e16737c66e7117eba7b5">super::SearchPointType</a> &amp; input)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span>        std::size_t ic = <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#ab017e677f9b5818d588a94584de164c1" title="list of &quot;base&quot; objective functions">m_elements</a>.size();</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span>        <span class="keywordflow">for</span> ( std::size_t i=0; i&lt;ic; i++)</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span>            <span class="keywordflow">if</span> (! <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#ab017e677f9b5818d588a94584de164c1" title="list of &quot;base&quot; objective functions">m_elements</a>[i]-&gt;<a class="code hl_function" href="classshark_1_1_combined_objective_function.html#aa58f49e133bac3fa073958fdb238d2db">isFeasible</a>(input))</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span>                <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span>        <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span>    }</div>
</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span>    </div>
<div class="foldopen" id="foldopen00100" data-start="{" data-end="}">
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"><a class="line" href="classshark_1_1_combined_objective_function.html#a84e806179b62ca8fa83a5408671f2dd1">  100</a></span>    <span class="keywordtype">void</span> <a class="code hl_function" href="classshark_1_1_combined_objective_function.html#a84e806179b62ca8fa83a5408671f2dd1">init</a>(){</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span>        <span class="keywordflow">for</span> ( std::size_t i=0; i&lt;<a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#ab017e677f9b5818d588a94584de164c1" title="list of &quot;base&quot; objective functions">m_elements</a>.size(); i++){</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span>            <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#ab017e677f9b5818d588a94584de164c1" title="list of &quot;base&quot; objective functions">m_elements</a>[i]-&gt;setRng(this-&gt;<a class="code hl_variable" href="classshark_1_1_abstract_objective_function.html#a6a27bddca6060f7861c49b05f8ec8435">mep_rng</a>);</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>            <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#ab017e677f9b5818d588a94584de164c1" title="list of &quot;base&quot; objective functions">m_elements</a>[i]-&gt;init();</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span>        }</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>    }</div>
</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span>    </div>
<div class="foldopen" id="foldopen00107" data-start="{" data-end="}">
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"><a class="line" href="classshark_1_1_combined_objective_function.html#a59adda766aa7c47c1cc2a106bdc4287d">  107</a></span>    std::size_t <a class="code hl_function" href="classshark_1_1_combined_objective_function.html#a59adda766aa7c47c1cc2a106bdc4287d" title="Accesses the number of variables.">numberOfVariables</a>()<span class="keyword">const</span>{</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span>        <span class="comment">//todo sthis will fail if SarchPointType != Vectorspace</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span>        <span class="keywordflow">return</span> <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#ab017e677f9b5818d588a94584de164c1" title="list of &quot;base&quot; objective functions">m_elements</a>.size() == 0? 0: <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#ab017e677f9b5818d588a94584de164c1" title="list of &quot;base&quot; objective functions">m_elements</a>[0]-&gt;numberOfVariables();</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span>    }</div>
</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span><span class="comment"></span> </div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span><span class="comment">    /// Evaluates the objective function.</span></div>
<div class="foldopen" id="foldopen00113" data-start="{" data-end="}">
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"><a class="line" href="classshark_1_1_combined_objective_function.html#a00efd5173a498cb625ef9d8523a1d6eb">  113</a></span><span class="comment"></span>    <span class="keyword">typename</span> <a class="code hl_typedef" href="classshark_1_1_abstract_objective_function.html#a70f0672a3c3b24c437c81243624b5307">super::ResultType</a> <a class="code hl_function" href="classshark_1_1_combined_objective_function.html#a00efd5173a498cb625ef9d8523a1d6eb" title="Evaluates the objective function.">eval</a>( <span class="keyword">const</span> <span class="keyword">typename</span> <a class="code hl_typedef" href="classshark_1_1_abstract_objective_function.html#a59bfea031628e16737c66e7117eba7b5">super::SearchPointType</a> &amp; input )<span class="keyword"> const</span></div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span><span class="keyword">    </span>{</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span>        ++this-&gt;<a class="code hl_variable" href="classshark_1_1_abstract_objective_function.html#af0942c072be06d0dd4da5ee7067c5777" title="Evaluation counter, default value: 0.">m_evaluationCounter</a>;</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span>        std::size_t ic = <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#ab017e677f9b5818d588a94584de164c1" title="list of &quot;base&quot; objective functions">m_elements</a>.size();</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span>        <span class="keyword">typename</span> <a class="code hl_typedef" href="classshark_1_1_abstract_objective_function.html#a70f0672a3c3b24c437c81243624b5307">super::ResultType</a> ret = <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#aefd0b345fe952b7c58db5ec85c84ebf0" title="list of weights">m_weight</a>[0] * <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#ab017e677f9b5818d588a94584de164c1" title="list of &quot;base&quot; objective functions">m_elements</a>[0]-&gt;eval(input);</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>        <span class="keywordflow">for</span> (std::size_t i=1; i&lt;ic; i++)</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span>            ret += <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#aefd0b345fe952b7c58db5ec85c84ebf0" title="list of weights">m_weight</a>[i] * <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#ab017e677f9b5818d588a94584de164c1" title="list of &quot;base&quot; objective functions">m_elements</a>[i]-&gt;<a class="code hl_function" href="classshark_1_1_combined_objective_function.html#a00efd5173a498cb625ef9d8523a1d6eb" title="Evaluates the objective function.">eval</a>(input);</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span>        <span class="keywordflow">return</span> ret;</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span>    }</div>
</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span><span class="comment"></span> </div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span><span class="comment">    /// Evaluates the objective function</span></div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span><span class="comment">    /// and calculates its gradient.</span></div>
<div class="foldopen" id="foldopen00125" data-start="{" data-end="}">
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"><a class="line" href="classshark_1_1_combined_objective_function.html#aa7c9a5f03c4c681f1885931391e1b983">  125</a></span><span class="comment"></span>    <span class="keyword">typename</span> <a class="code hl_typedef" href="classshark_1_1_abstract_objective_function.html#a70f0672a3c3b24c437c81243624b5307">super::ResultType</a> <a class="code hl_function" href="classshark_1_1_combined_objective_function.html#aa7c9a5f03c4c681f1885931391e1b983">evalDerivative</a>( <span class="keyword">const</span> <span class="keyword">typename</span> <a class="code hl_typedef" href="classshark_1_1_abstract_objective_function.html#a59bfea031628e16737c66e7117eba7b5">super::SearchPointType</a> &amp; input, <span class="keyword">typename</span> <a class="code hl_typedef" href="classshark_1_1_abstract_objective_function.html#a29804371954a360f09696adea7cfd839">super::FirstOrderDerivative</a> &amp; derivative )<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span>        ++this-&gt;<a class="code hl_variable" href="classshark_1_1_abstract_objective_function.html#af0942c072be06d0dd4da5ee7067c5777" title="Evaluation counter, default value: 0.">m_evaluationCounter</a>;</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>        <a class="code hl_define" href="_exception_8h.html#adce1f80097c69010f5eab2618fa2e971">SHARK_RUNTIME_CHECK</a>(this-&gt;<a class="code hl_variable" href="classshark_1_1_abstract_objective_function.html#ad8888c58fd3f98e73013afb5dd4b2af1">m_features</a>.<a class="code hl_function" href="classshark_1_1_typed_flags.html#a790dadd43f10baf9d14e37badedd4400">test</a>(<a class="code hl_enumvalue" href="classshark_1_1_abstract_objective_function.html#aadafeb6dfb5b649f321e7b81ac8aad1aa0bc7673a369df5f86ddd6ba6735f4971" title="The method evalDerivative is implemented for the first derivative and returns a sensible value.">super::HAS_FIRST_DERIVATIVE</a>), <span class="stringliteral">&quot;[CombinedObjectiveFunction::evalDerivative] At least one of the objective functions combined is not differentiable&quot;</span>);</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span>        <span class="keyword">typename</span> <a class="code hl_typedef" href="classshark_1_1_abstract_objective_function.html#a29804371954a360f09696adea7cfd839">super::FirstOrderDerivative</a> der;</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span>        std::size_t ic = <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#ab017e677f9b5818d588a94584de164c1" title="list of &quot;base&quot; objective functions">m_elements</a>.size();</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span>        <span class="keyword">typename</span> <a class="code hl_typedef" href="classshark_1_1_abstract_objective_function.html#a70f0672a3c3b24c437c81243624b5307">super::ResultType</a> ret = <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#aefd0b345fe952b7c58db5ec85c84ebf0" title="list of weights">m_weight</a>[0] * <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#ab017e677f9b5818d588a94584de164c1" title="list of &quot;base&quot; objective functions">m_elements</a>[0]-&gt;evalDerivative(input, der);</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span>        derivative = <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#aefd0b345fe952b7c58db5ec85c84ebf0" title="list of weights">m_weight</a>[0] * der;</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span>        <span class="keywordflow">for</span> (std::size_t i=1; i != ic; i++)</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span>        {</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span>            ret += <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#aefd0b345fe952b7c58db5ec85c84ebf0" title="list of weights">m_weight</a>[i] * <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#ab017e677f9b5818d588a94584de164c1" title="list of &quot;base&quot; objective functions">m_elements</a>[i]-&gt;evalDerivative(input, der);</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span>            derivative += <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#aefd0b345fe952b7c58db5ec85c84ebf0" title="list of weights">m_weight</a>[i] * der;</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span>        }</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span>        <span class="keywordflow">return</span> ret;</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span>    }</div>
</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span><span class="comment"></span> </div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span><span class="comment">    /// Evaluates the objective function</span></div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span><span class="comment">    /// and calculates its gradient and</span></div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span><span class="comment">    /// its Hessian.</span></div>
<div class="foldopen" id="foldopen00143" data-start="{" data-end="}">
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"><a class="line" href="classshark_1_1_combined_objective_function.html#a58e685546d09fb3336ea42d20138197d">  143</a></span><span class="comment"></span>    <span class="keyword">typename</span> <a class="code hl_typedef" href="classshark_1_1_abstract_objective_function.html#a70f0672a3c3b24c437c81243624b5307">super::ResultType</a> <a class="code hl_function" href="classshark_1_1_combined_objective_function.html#a58e685546d09fb3336ea42d20138197d">evalDerivative</a>( <span class="keyword">const</span> <span class="keyword">typename</span> <a class="code hl_typedef" href="classshark_1_1_abstract_objective_function.html#a59bfea031628e16737c66e7117eba7b5">super::SearchPointType</a> &amp; input, <span class="keyword">typename</span> super::SecondOrderDerivative &amp; derivative )<span class="keyword">const </span>{</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span>        <a class="code hl_define" href="_exception_8h.html#adce1f80097c69010f5eab2618fa2e971">SHARK_RUNTIME_CHECK</a>(this-&gt;<a class="code hl_variable" href="classshark_1_1_abstract_objective_function.html#ad8888c58fd3f98e73013afb5dd4b2af1">m_features</a>.<a class="code hl_function" href="classshark_1_1_typed_flags.html#a790dadd43f10baf9d14e37badedd4400">test</a>(<a class="code hl_enumvalue" href="classshark_1_1_abstract_objective_function.html#aadafeb6dfb5b649f321e7b81ac8aad1aa2a3534a8bfd17ffc9f39a2892dc03858" title="The method evalDerivative is implemented for the second derivative and returns a sensible value.">super::HAS_SECOND_DERIVATIVE</a>), <span class="stringliteral">&quot;[CombinedObjectiveFunction::evalDerivative] At least one of the objective functions combined is not twice differentiable&quot;</span>);</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span>        <span class="keyword">typename</span> super::SecondOrderDerivative der;</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span>        std::size_t ic = <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#ab017e677f9b5818d588a94584de164c1" title="list of &quot;base&quot; objective functions">m_elements</a>.size();</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span>        <span class="keyword">typename</span> <a class="code hl_typedef" href="classshark_1_1_abstract_objective_function.html#a70f0672a3c3b24c437c81243624b5307">super::ResultType</a> ret = <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#aefd0b345fe952b7c58db5ec85c84ebf0" title="list of weights">m_weight</a>[0] * <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#ab017e677f9b5818d588a94584de164c1" title="list of &quot;base&quot; objective functions">m_elements</a>[0]-&gt;evalDerivative(input, der);</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span>        derivative.gradient = <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#aefd0b345fe952b7c58db5ec85c84ebf0" title="list of weights">m_weight</a>[0] * der.gradient;</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span>        derivative.hessian = <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#aefd0b345fe952b7c58db5ec85c84ebf0" title="list of weights">m_weight</a>[0] * der.hessian;</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span>        <span class="keywordflow">for</span> (std::size_t i=1; i&lt;ic; i++)</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span>        {</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span>            ret += <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#aefd0b345fe952b7c58db5ec85c84ebf0" title="list of weights">m_weight</a>[i] * <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#ab017e677f9b5818d588a94584de164c1" title="list of &quot;base&quot; objective functions">m_elements</a>[i]-&gt;evalDerivative(input, der);</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span>            derivative.gradient += <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#aefd0b345fe952b7c58db5ec85c84ebf0" title="list of weights">m_weight</a>[i] * der.gradient;</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span>            derivative.hessian += <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#aefd0b345fe952b7c58db5ec85c84ebf0" title="list of weights">m_weight</a>[i] * der.hessian;</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span>        }</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span>        <span class="keywordflow">return</span> ret;</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span>    }</div>
</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span> </div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span><span class="keyword">protected</span>:<span class="comment"></span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span><span class="comment">    /// list of weights</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"><a class="line" href="classshark_1_1_combined_objective_function.html#aefd0b345fe952b7c58db5ec85c84ebf0">  161</a></span><span class="comment"></span>    std::vector&lt;double&gt; <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#aefd0b345fe952b7c58db5ec85c84ebf0" title="list of weights">m_weight</a>;</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span><span class="comment"></span> </div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span><span class="comment">    /// list of &quot;base&quot; objective functions</span></div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"><a class="line" href="classshark_1_1_combined_objective_function.html#ab017e677f9b5818d588a94584de164c1">  164</a></span><span class="comment"></span>    std::vector&lt;element*&gt; <a class="code hl_variable" href="classshark_1_1_combined_objective_function.html#ab017e677f9b5818d588a94584de164c1" title="list of &quot;base&quot; objective functions">m_elements</a>;</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span>};</div>
</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span> </div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span> </div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span>}</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span><span class="preprocessor">#endif </span><span class="comment">// SHARK_CORE_COBINEDOBJECTIVEFUNCTION_H</span></div>
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